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MQ2 Gas Sensor


  • size: 32mmX22mmX27mm
  • Chip: LM393, ZYMQ-2 gas sensors
  • Working voltage: DC 5V
  • with a signal output instruction.
  • dual signal output (analog output, and TTL level output)
  • TTL output
  • 0~5V analog output voltage, the higher the concentration the higher the voltage.
  • the gas, natural gas, city gas, smoke better sensitivity.
  • with a long service life and reliable stability
  • rapid response and recovery characteristics

Package Content

1x MQ2 gas sensors module

Arduino Connection


MQ2 Datasheet

Example Code for Arduino

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MQ2 Gas Sensor

  • Product Code: 10100020
  • Availability: In Stock
  • $3.50
  • 10+$3.00
  • 30+$2.50
  • 50+$2.00